Feature spec
Goal: Send a clear invoice after finishing a job.
- Add a client, line items, a due date, and payment instructions.
- Preview the total before exporting a PDF.
- Keep an editable draft if export fails.
App Overview
Green SM: Electric Mobility
Green SM - One App
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.8
27,391 ratings · Top 5%
Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included15 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.
States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.
Differentiate and validate
Hypothesis: Contractors need faster repeat invoices more than more templates.
First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.
The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.
Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.
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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Green SM: Electric Mobility: map the core Travel workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
Green SM - One App. Same Experience. Every Journey Green SM introduces a new way to move, where users only need a single app to meet all their everyday mobility needs. Beyond convenience, Green SM sets a consistent global experience standard, ensuring every journey feels familiar, intuitive, and trustworthy-wherever you go. Differentiation: Unlike traditional ride apps, Green SM offers a consistent and reliable experience with a 100% electric fleet, a stronger driver ecosystem and a focus on everyday comfort over discount-driven variability. Green SM's drivers are company employees with professional training and working procedures, ensuring attentive service standards for a quality ride. The app provides upfront transparent pricing with capped surge price for reliable and consistent pricing experience. Trust & Safety: Green SM ensures a safe and dependable ride experience through background-verified and trained drivers, real-time tracking, in-app safety features and professional service standards. Today, Green SM serves as the unified brand across all markets, delivering a consistent experience and building global recognition. Green SM has rapidly expanding global operations from Vietnam, to Laos, Indonesia, The Philippines, India, Kazakhstan, EU, US markets and many more countries to come. A Diverse Service Ecosystem Green SM Car: Book an electric car effortlessly and enjoy a smooth, noiseless, and zero-emission journey. These services will soon be rolled out to other international markets. 3 Simple Steps to Start Your Journey: - Step 1: Download the Green SM app and create an account. - Step 2: Choose the service that fits your needs and enter the required information. - Step 3: Confirm your booking with available promotional codes, choose your payment method, and enjoy a 5-star ride! Why Choose Green SM? - 100% All-Electric Fleet: A green, convenient, and sustainable transport solution. - Global 5-Star Standard: Professionally trained and background verified drivers who are dedicated, polite, and friendly. - Seamless App Experience: An intuitive interface for quick booking with just a few taps. - Flexible Payments: Multiple payment methods with maximum safety and security. - Exclusive Offers: Thousands of attractive promotional codes and frequent customer loyalty programmes. Awards & Recognition - Vietnamese Tech Brand of the Year & Excellence in Ride-hailing at Tech Awards 2025. - Best Customer Experience in Asia-Pacific at CXP Awards 2025. - Best EV Carpooling App at Sensor Tower APAC Awards 2025. - Better Choice Awards - Outstanding Brand in Transport. - APEA - Fast Enterprise & Inspirational Brand. - ASOCIO Awards - Outstanding ESG Recognition. - Human Act Prize - Product/Service for the Environment. Download Green SM app today and experience eco-friendly, sustainable mobility!
Written user reviews are not shown here. Check current App Store reviews >
Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.
Hypothesis 1
Offer more vehicle types and pricing tiers.
Assumption to check: Limited ride options compared to traditional apps
Validate with people who use this workflow before building.
Hypothesis 2
Implement real-time tracking and notifications.
Assumption to check: Inconsistent driver availability
Validate with people who use this workflow before building.
Hypothesis 3
Introduce transparent pricing with no hidden fees.
Assumption to check: High service fees can deter users
Validate with people who use this workflow before building.
Hypothesis 4
Add loyalty programs or rewards for frequent users.
Assumption to check: Lack of user engagement features
Validate with people who use this workflow before building.
Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
React Native
Expo
Firebase
Zustand
React Navigation
Axios
BUILD KIT DIFFICULTY
Expert
From the Build Kit assessment.
A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.
